Edge's Tale: Eblan

Using Edge's Smash and Grab is the quickest and most useful means of ending this battle. It should earn you a few Potions, and will knock your opponents down easily enough. When the scene changes to the Throne Room, head south until you're in the room with an Inn, sundries merchants, and a Save Point. Utilize the latter, buy plenty of Potions, and walk south until you're in the open.

From there, head left to find a staircase. Follow it down, then walk northward—passing beneath the iron gate—to enter the tower. There are secret passageways leading to the treasures, and the first is arguably the toughest to discover. It's directly above the yellow door you entered through. Walk back down as if you're going to leave, and—when you can no longer see Edge—push rightward to find it.

The next one is much easier to uncover. Take the ascending staircase, and enter the tiny enclave on the left. Walk down, and you'll go into the same room as the Treasure Chest. If you'd like, you can also visit Edge's Chamber by exploring the spots between the pots, but it's empty.

Return to the outdoors, and enter the east tower. The first secret passage here is above the top left pillar. To gather all the other treasures, take the staircase up, and press the tiny rectangular switch on the wall. This will open the door nearby, allowing access to the rest of the castle's goods. Return to the Save Point, unequip all of Edge's gear, and record your progress. Now, try to leave Eblan.

As Edge states, his subordinates' lives are too valuable to be wasted. When taking on their assignments, you should not accept defeat, as it will be permanent. Never pass up an opportunity to save your progress.